Type Ia supernova discoveries at z > 1 from the Hubble Space Telescope: Evidence for past deceleration and constraints on dark energy evolution
Adam G. Riess,Louis-Gregory Strolger,John L. Tonry,Stefano Casertano,Henry C. Ferguson,Bahram Mobasher,Peter Challis,Alexei V. Filippenko,Saurabh Jha,Weidong Li,Ryan Chornock,Robert P. Kirshner,Bruno Leibundgut,Mark Dickinson,Mario Livio,Mauro Giavalisco,Charles C. Steidel,Txitxo Benítez,Zlatan Tsvetanov +18 more
TLDR
For a flat universe with a cosmological constant, the transition between the two epochs is constrained to be at z = 0.46 ± 0.13 as mentioned in this paper, and w = -1.02 ± (and w < -0.76 at the 95% confidence level) for an assumed static equation of state of dark energy.Abstract:
We have discovered 16 Type Ia supernovae (SNe Ia) with the Hubble Space Telescope (HST) and have used them to provide the first conclusive evidence for cosmic deceleration that preceded the current epoch of cosmic acceleration. These objects, discovered during the course of the GOODS ACS Treasury program, include 6 of the 7 highest redshift SNe Ia known, all at z > 1.25, and populate the Hubble diagram in unexplored territory. The luminosity distances to these objects and to 170 previously reported SNe Ia have been determined using empirical relations between light-curve shape and luminosity. A purely kinematic interpretation of the SN Ia sample provides evidence at the greater than 99% confidence level for a transition from deceleration to acceleration or, similarly, strong evidence for a cosmic jerk. Using a simple model of the expansion history, the transition between the two epochs is constrained to be at z = 0.46 ± 0.13. The data are consistent with the cosmic concordance model of ΩM ≈ 0.3, ΩΛ ≈ 0.7 (χ = 1.06) and are inconsistent with a simple model of evolution or dust as an alternative to dark energy. For a flat universe with a cosmological constant, we measure ΩM = 0.29 ± (equivalently, ΩΛ = 0.71). When combined with external flat-universe constraints, including the cosmic microwave background and large-scale structure, we find w = -1.02 ± (and w < -0.76 at the 95% confidence level) for an assumed static equation of state of dark energy, P = wρc2. Joint constraints on both the recent equation of state of dark energy, w0, and its time evolution, dw/dz, are a factor of ~8 more precise than the first estimates and twice as precise as those without the SNe Ia discovered with HST. Our constraints are consistent with the static nature of and value of w expected for a cosmological constant (i.e., w0 = -1.0, dw/dz = 0) and are inconsistent with very rapid evolution of dark energy. We address consequences of evolving dark energy for the fate of the universe.read more
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Candels: The cosmic assembly near-infrared deep extragalactic legacy survey - The hubble space telescope observations, imaging data products, and mosaics
Anton M. Koekemoer,Sandra M. Faber,Henry C. Ferguson,Norman A. Grogin,Dale D. Kocevski,David C. Koo,Kamson Lai,Jennifer M. Lotz,Ray A. Lucas,Elizabeth J. McGrath,Sara Ogaz,Abhijith Rajan,Adam G. Riess,S. Rodney,L. G. Strolger,Stefano Casertano,Marco Castellano,Tomas Dahlen,Mark Dickinson,Timothy Dolch,Adriano Fontana,Mauro Giavalisco,Andrea Grazian,Yicheng Guo,Nimish P. Hathi,Kuang-Han Huang,Kuang-Han Huang,Arjen van der Wel,Hao Jing Yan,Viviana Acquaviva,David M. Alexander,Omar Almaini,Matthew L. N. Ashby,Marco Barden,Eric F. Bell,Frédéric Bournaud,Thomas M. Brown,Karina Caputi,Paolo Cassata,Peter Challis,Ranga-Ram Chary,Edmond Cheung,Michele Cirasuolo,Christopher J. Conselice,Asantha Cooray,Darren J. Croton,Emanuele Daddi,Romeel Davé,Duilia F. de Mello,Loic de Ravel,Avishai Dekel,Jennifer L. Donley,James Dunlop,Aaron A. Dutton,David Elbaz,Giovanni Fazio,Alexei V. Filippenko,Steven L. Finkelstein,Chris Frazer,Jonathan P. Gardner,Peter M. Garnavich,Eric Gawiser,Ruth Gruetzbauch,Will G. Hartley,B. Haussler,Jessica Herrington,Philip F. Hopkins,J.-S. Huang,Saurabh Jha,Andrew Johnson,Jeyhan S. Kartaltepe,Ali Ahmad Khostovan,Robert P. Kirshner,Caterina Lani,Kyoung-Soo Lee,Weidong Li,Piero Madau,Patrick J. McCarthy,Daniel H. McIntosh,Ross J. McLure,Conor McPartland,Bahram Mobasher,Heidi Moreira,Alice Mortlock,Leonidas A. Moustakas,Mark Mozena,Kirpal Nandra,Jeffrey A. Newman,Jennifer L. Nielsen,Sami Niemi,Kai G. Noeske,Casey Papovich,Laura Pentericci,Alexandra Pope,Joel R. Primack,Swara Ravindranath,Naveen A. Reddy,Alvio Renzini,Hans Walter Rix,Aday R. Robaina,David J. Rosario,Piero Rosati,S. Salimbeni,Claudia Scarlata,Brian Siana,Luc Simard,Joseph Smidt,D. Snyder,Rachel S. Somerville,Hyron Spinrad,Amber N. Straughn,Olivia Telford,Harry I. Teplitz,Jonathan R. Trump,Carlos J. Vargas,Carolin Villforth,C. Wagner,P. Wandro,Risa H. Wechsler,Benjamin J. Weiner,Tommy Wiklind,Vivienne Wild,Grant W. Wilson,Stijn Wuyts,Min S. Yun +124 more
TL;DR: In this paper, the authors describe the Hubble Space Telescope imaging data products and data reduction procedures for the Cosmic Assembly Near-infrared Deep Extragalactic Legacy Survey (CANDELS).
Journal ArticleDOI
New Hubble Space Telescope Discoveries of Type Ia Supernovae at z ≥ 1: Narrowing Constraints on the Early Behavior of Dark Energy*
Adam G. Riess,Adam G. Riess,Louis-Gregory Strolger,Stefano Casertano,Henry C. Ferguson,Bahram Mobasher,B. Gold,Peter Challis,Alexei V. Filippenko,Saurabh Jha,Weidong Li,John L. Tonry,Ryan J. Foley,Robert P. Kirshner,Mark Dickinson,Emily MacDonald,Daniel J. Eisenstein,Mario Livio,Josh Younger,Chun Xu,Tomas Dahlen,Daniel Stern +21 more
TL;DR: In this article, the authors used the HST data to trace the history of cosmic expansion over the last 10 billion years, and found 21 new Type Ia supernovae (SNe Ia) with the Hubble Space Telescope (HST).
Journal ArticleDOI
$f(R,T)$ gravity
TL;DR: In this article, the authors considered a modified theory of gravity, where the gravitational Lagrangian is given by an arbitrary function of the Ricci scalar and of the trace of the stress-energy tensor.
Journal ArticleDOI
The Hubble Space Telescope Cluster Supernova Survey. V. Improving the Dark-energy Constraints above z > 1 and Building an Early-type-hosted Supernova Sample
Nao Suzuki,Nao Suzuki,David Rubin,David Rubin,C. Lidman,Greg Aldering,Rahman Amanullah,K. Barbary,K. Barbary,L. F. Barrientos,János Botyánszki,Mark Brodwin,Natalia Connolly,Kyle S. Dawson,Arjun Dey,Mamoru Doi,Megan Donahue,Susana E. Deustua,Peter Eisenhardt,Erica Ellingson,L. Faccioli,L. Faccioli,Vitaliy Fadeyev,H. K. Fakhouri,H. K. Fakhouri,A. S. Fruchter,David Gilbank,Michael D. Gladders,Gerson Goldhaber,Gerson Goldhaber,Anthony H. Gonzalez,Ariel Goobar,Alexander Gude,Alexander Gude,Takashi Hattori,Henk Hoekstra,Eric Hsiao,Eric Hsiao,X. Huang,X. Huang,Yutaka Ihara,Myungkook J. Jee,David Johnston,David Johnston,Nobunari Kashikawa,Benjamin P. Koester,Kohki Konishi,M. Kowalski,Eric V. Linder,Eric V. Linder,Lori M. Lubin,Jason Melbourne,J. Meyers,J. Meyers,Tomoki Morokuma,Tomoki Morokuma,F. Munshi,F. Munshi,Christopher R. Mullis,Takeshi Oda,Nino Panagia,Saul Perlmutter,Saul Perlmutter,Marc Postman,T. A. Pritchard,T. A. Pritchard,Jason Rhodes,P. Ripoche,P. Ripoche,Piero Rosati,David J. Schlegel,A. L. Spadafora,S. A. Stanford,S. A. Stanford,Vallery Stanishev,Vallery Stanishev,Daniel Stern,M. Strovink,M. Strovink,Naohiro Takanashi,Kouichi Tokita,M. Wagner,Lifan Wang,Naoki Yasuda,H. K. C. Yee +84 more
TL;DR: In this article, Advanced Camera for Surveys, NICMOS and Keck adaptive-optics-assisted photometry of 20 Type Ia supernovae (SNe Ia) from the Hubble Space Telescope (HST) Cluster Supernova Survey was presented.
Journal ArticleDOI
Dark Energy and the Accelerating Universe
Abstract: Ten years ago, the discovery that the expansion of the universe is accelerating put in place the last major building block of the present cosmological model, in which the universe is composed of 4% baryons, 20% dark matter, and 76% dark energy. At the same time, it posed one of the most profound mysteries in all of science, with deep connections to both astrophysics and particle physics. Cosmic acceleration could arise from the repulsive gravity of dark energy—for example, the quantum energy of the vacuum—or it may signal that general relativity (GR) breaks down on cosmological scales and must be replaced. We review the present observational evidence for cosmic acceleration and what it has revealed about dark energy, discuss the various theoretical ideas that have been proposed to explain acceleration, and describe the key observational probes that will shed light on this enigma in the coming years.
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Measurements of Omega and Lambda from 42 High-Redshift Supernovae
Saul Perlmutter,Saul Perlmutter,Greg Aldering,Gerson Goldhaber,Gerson Goldhaber,R. A. Knop,Peter Nugent,P. G. Castro,P. G. Castro,Susana E. Deustua,Sebastien Fabbro,Sebastien Fabbro,A. Goobar,A. Goobar,Donald E. Groom,I. M. Hook,I. M. Hook,A. G. Kim,A. G. Kim,A. G. Kim,M. Y. Kim,Julia C. Lee,Julia C. Lee,Nelson J. Nunes,Nelson J. Nunes,Reynald Pain,Reynald Pain,C. R. Pennypacker,C. R. Pennypacker,Robert Quimby,Christopher Lidman,Richard S. Ellis,Mike Irwin,Richard G. McMahon,Pilar Ruiz-Lapuente,Nicholas A. Walton,Bradley E. Schaefer,B. J. Boyle,Alexei V. Filippenko,Thomas Matheson,A. S. Fruchter,Nino Panagia,Nino Panagia,Heidi Jo Newberg,Warrick J. Couch +44 more
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Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant
Adam G. Riess,Alexei V. Filippenko,Peter Challis,Alejandro Clocchiatti,Alan H. Diercks,Peter M. Garnavich,R. L. Gilliland,Craig J. Hogan,Saurabh Jha,Robert P. Kirshner,Bruno Leibundgut,Mark M. Phillips,David J Reiss,Brian P. Schmidt,R. A. Schommer,R. Chris Smith,R. Chris Smith,Jason Spyromilio,Christopher W. Stubbs,Nicholas B. Suntzeff,John L. Tonry +20 more
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Observational Evidence from Supernovae for an Accelerating Universe and a Cosmological Constant
Adam G. Riess,Alexei V. Filippenko,Peter Challis,Alejandro Clocchiattia,Alan H. Diercks,Peter M. Garnavich,R. L. Gilliland,Craig J. Hogan,Saurabh Jha,Robert P. Kirshner,Bruno Leibundgut,Mark M. Phillips,David J Reiss,Brian P. Schmidt,Robert A. Schommer,R. Chris Smith,Jason Spyromilio,Christopher W. Stubbs,Nicholas B. Suntzeff,John L. Tonry +19 more
TL;DR: In this paper, the authors present observations of 10 type Ia supernovae (SNe Ia) between 0.16 0 and 4.0 sigma confidence levels, for two fitting methods respectively.
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